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Attorney: Tian; Frank F.


Number of patents: 9
Last date: August 09, 2011

NumberTitleIssue Date
7996752Method and apparatus for decoding a LDPC code
In a decoder for decoding a low density parity check (LDPC) code suitable for decoding multi-rated LDPC codes, a method is provided. The method comprises the steps of: providing a memory for the decoding with the memory dependent on a parity check matrix H with maxi...
08/09/2011
7860157Mobile receiver equalizer structure for use in the ATSC standard
A circuit structure has a channel estimator adapted to receive an input, an equalizer adapted to receive the input and generate an equalized output, and an equalizer training block adapted to receive estimated channel condition information, and provide a set of trai...
12/28/2010
7804251LED signaling apparatus with infrared emission
An infrared signaling apparatus is disclosed, which utilizes high intensity solid state lighting elements, such as light emitting diodes (LEDs) to provide signaling for navigational as well as search/rescue applications employing night vision equipments. ...
09/28/2010
7755513Visual navigational aids based on high intensity LEDS
A visual navigational aid for guiding the approach path of incoming aircrafts, ships or other vehicles. The visual navigational aid comprises high intensity light emitting diodes (LEDs) or LED arrays and optical beam shaping apparatus that produce multiple light bea...
07/13/2010
7671986Spectroscopy apparatus based on hetero-junction phototransistors
This invention discloses a variety of spectroscopy apparatus based on high sensitivity photo detector arrays and image sensors employing sidewall-passivated mesa-structure hetero-junction phototransistors (HPTs). ...
03/02/2010
7545493Raman spectroscopic apparatus utilizing internal grating stabilized semiconductor laser with high spectral brightness
A Raman spectroscopic apparatus utilizing a broad stripe semiconductor laser as the excitation light source is provided. The output spectrum of the semiconductor laser is narrowed and stabilized by an internal grating to provide high spectral brightness. A high thro...
06/09/2009
7420663Spectroscopic sensor on mobile phone
This invention discloses a spectroscopic sensor that is integrated with a mobile communication device, such as a mobile phone. The spectroscopic sensor is capable of measuring the optical spectra of a physical object for purposes of detection, identification, authen...
09/02/2008
7378983Optical signaling apparatus with precise beam control
A light emitting diode (LED) signaling apparatus for navigational aids is provided. The signaling apparatus comprises a plurality of high intensity LEDs with their output beams individually controlled by high precision optical beam transformers. The transformed LED ...
05/27/2008
7357530Lighting apparatus for navigational aids
A quickly deployable and reconfigurable light emitting diode (LED) lighting apparatus with high output intensity and precisely controlled beam property is disclosed for navigational aids. The lighting apparatus comprises an array of high intensity LED units with the...
04/15/2008
 
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